Sergeant David Joseph has retired from his role as Goat Major after 35 years.
He led Shenkin the goat onto the Millennium Stadium pitch before Wales v Australia yesterday.
Sgt Joseph, who must look after the goat every day of the year, told ITV Wales: "I'm looking forward to a holiday with my wife. We haven't been away since the 1980s."
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Low cloud will bring murky conditions with extensive hill fog.
The team, which is manned by volunteers, will operate out of Pontardawe Fire Station in partnership with Mid and West Wales Fire Service.
Dan Biggar has no doubt that Wales remain flrmly in the Six Nations title mix ahead of next Saturday's clash against Scotland.